<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    package org.bukkit.util.config;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.File;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.FileInputStream;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.io.FileOutputStream;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.io.IOException;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.io.OutputStreamWriter;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.util.HashMap;<a name="line.8"></a>
<FONT color="green">009</FONT>    import java.util.Map;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.yaml.snakeyaml.DumperOptions;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.yaml.snakeyaml.Yaml;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.yaml.snakeyaml.constructor.SafeConstructor;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.yaml.snakeyaml.introspector.Property;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.yaml.snakeyaml.nodes.CollectionNode;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.yaml.snakeyaml.nodes.MappingNode;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.yaml.snakeyaml.nodes.Node;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.yaml.snakeyaml.nodes.NodeTuple;<a name="line.17"></a>
<FONT color="green">018</FONT>    import org.yaml.snakeyaml.nodes.SequenceNode;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.yaml.snakeyaml.nodes.Tag;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.yaml.snakeyaml.reader.UnicodeReader;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.yaml.snakeyaml.representer.Represent;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.yaml.snakeyaml.representer.Representer;<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    /**<a name="line.24"></a>
<FONT color="green">025</FONT>     * YAML configuration loader. To use this class, construct it with path to<a name="line.25"></a>
<FONT color="green">026</FONT>     * a file and call its load() method. For specifying node paths in the<a name="line.26"></a>
<FONT color="green">027</FONT>     * various get*() methods, they support SK's path notation, allowing you to<a name="line.27"></a>
<FONT color="green">028</FONT>     * select child nodes by delimiting node names with periods.<a name="line.28"></a>
<FONT color="green">029</FONT>     *<a name="line.29"></a>
<FONT color="green">030</FONT>     * &lt;p&gt;<a name="line.30"></a>
<FONT color="green">031</FONT>     * For example, given the following configuration file:&lt;/p&gt;<a name="line.31"></a>
<FONT color="green">032</FONT>     *<a name="line.32"></a>
<FONT color="green">033</FONT>     * &lt;pre&gt;members:<a name="line.33"></a>
<FONT color="green">034</FONT>     *     - Hollie<a name="line.34"></a>
<FONT color="green">035</FONT>     *     - Jason<a name="line.35"></a>
<FONT color="green">036</FONT>     *     - Bobo<a name="line.36"></a>
<FONT color="green">037</FONT>     *     - Aya<a name="line.37"></a>
<FONT color="green">038</FONT>     *     - Tetsu<a name="line.38"></a>
<FONT color="green">039</FONT>     * worldguard:<a name="line.39"></a>
<FONT color="green">040</FONT>     *     fire:<a name="line.40"></a>
<FONT color="green">041</FONT>     *         spread: false<a name="line.41"></a>
<FONT color="green">042</FONT>     *         blocks: [cloth, rock, glass]<a name="line.42"></a>
<FONT color="green">043</FONT>     * sturmeh:<a name="line.43"></a>
<FONT color="green">044</FONT>     *     cool: false<a name="line.44"></a>
<FONT color="green">045</FONT>     *     eats:<a name="line.45"></a>
<FONT color="green">046</FONT>     *         babies: true&lt;/pre&gt;<a name="line.46"></a>
<FONT color="green">047</FONT>     *<a name="line.47"></a>
<FONT color="green">048</FONT>     * &lt;p&gt;Calling code could access sturmeh's baby eating state by using<a name="line.48"></a>
<FONT color="green">049</FONT>     * &lt;code&gt;getBoolean("sturmeh.eats.babies", false)&lt;/code&gt;. For lists, there are<a name="line.49"></a>
<FONT color="green">050</FONT>     * methods such as &lt;code&gt;getStringList&lt;/code&gt; that will return a type safe list.<a name="line.50"></a>
<FONT color="green">051</FONT>     *<a name="line.51"></a>
<FONT color="green">052</FONT>     * &lt;p&gt;This class is currently incomplete. It is not yet possible to get a node.<a name="line.52"></a>
<FONT color="green">053</FONT>     * &lt;/p&gt;<a name="line.53"></a>
<FONT color="green">054</FONT>     *<a name="line.54"></a>
<FONT color="green">055</FONT>     */<a name="line.55"></a>
<FONT color="green">056</FONT>    public class Configuration extends ConfigurationNode {<a name="line.56"></a>
<FONT color="green">057</FONT>        private Yaml yaml;<a name="line.57"></a>
<FONT color="green">058</FONT>        private File file;<a name="line.58"></a>
<FONT color="green">059</FONT>        private String header = null;<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>        public Configuration(File file) {<a name="line.61"></a>
<FONT color="green">062</FONT>            super(new HashMap&lt;String, Object&gt;());<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>            DumperOptions options = new DumperOptions();<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>            options.setIndent(4);<a name="line.66"></a>
<FONT color="green">067</FONT>            options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>            yaml = new Yaml(new SafeConstructor(), new EmptyNullRepresenter(), options);<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>            this.file = file;<a name="line.71"></a>
<FONT color="green">072</FONT>        }<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>        /**<a name="line.74"></a>
<FONT color="green">075</FONT>         * Loads the configuration file. All errors are thrown away.<a name="line.75"></a>
<FONT color="green">076</FONT>         */<a name="line.76"></a>
<FONT color="green">077</FONT>        public void load() {<a name="line.77"></a>
<FONT color="green">078</FONT>            FileInputStream stream = null;<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>            try {<a name="line.80"></a>
<FONT color="green">081</FONT>                stream = new FileInputStream(file);<a name="line.81"></a>
<FONT color="green">082</FONT>                read(yaml.load(new UnicodeReader(stream)));<a name="line.82"></a>
<FONT color="green">083</FONT>            } catch (IOException e) {<a name="line.83"></a>
<FONT color="green">084</FONT>                root = new HashMap&lt;String, Object&gt;();<a name="line.84"></a>
<FONT color="green">085</FONT>            } catch (ConfigurationException e) {<a name="line.85"></a>
<FONT color="green">086</FONT>                root = new HashMap&lt;String, Object&gt;();<a name="line.86"></a>
<FONT color="green">087</FONT>            } finally {<a name="line.87"></a>
<FONT color="green">088</FONT>                try {<a name="line.88"></a>
<FONT color="green">089</FONT>                    if (stream != null) {<a name="line.89"></a>
<FONT color="green">090</FONT>                        stream.close();<a name="line.90"></a>
<FONT color="green">091</FONT>                    }<a name="line.91"></a>
<FONT color="green">092</FONT>                } catch (IOException e) {}<a name="line.92"></a>
<FONT color="green">093</FONT>            }<a name="line.93"></a>
<FONT color="green">094</FONT>        }<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>        /**<a name="line.96"></a>
<FONT color="green">097</FONT>         * Set the header for the file as a series of lines that are terminated<a name="line.97"></a>
<FONT color="green">098</FONT>         * by a new line sequence.<a name="line.98"></a>
<FONT color="green">099</FONT>         *<a name="line.99"></a>
<FONT color="green">100</FONT>         * @param headerLines header lines to prepend<a name="line.100"></a>
<FONT color="green">101</FONT>         */<a name="line.101"></a>
<FONT color="green">102</FONT>        public void setHeader(String... headerLines) {<a name="line.102"></a>
<FONT color="green">103</FONT>            StringBuilder header = new StringBuilder();<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>            for (String line : headerLines) {<a name="line.105"></a>
<FONT color="green">106</FONT>                if (header.length() &gt; 0) {<a name="line.106"></a>
<FONT color="green">107</FONT>                    header.append("\r\n");<a name="line.107"></a>
<FONT color="green">108</FONT>                }<a name="line.108"></a>
<FONT color="green">109</FONT>                header.append(line);<a name="line.109"></a>
<FONT color="green">110</FONT>            }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>            setHeader(header.toString());<a name="line.112"></a>
<FONT color="green">113</FONT>        }<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>        /**<a name="line.115"></a>
<FONT color="green">116</FONT>         * Set the header for the file. A header can be provided to prepend the<a name="line.116"></a>
<FONT color="green">117</FONT>         * YAML data output on configuration save. The header is<a name="line.117"></a>
<FONT color="green">118</FONT>         * printed raw and so must be manually commented if used. A new line will<a name="line.118"></a>
<FONT color="green">119</FONT>         * be appended after the header, however, if a header is provided.<a name="line.119"></a>
<FONT color="green">120</FONT>         *<a name="line.120"></a>
<FONT color="green">121</FONT>         * @param header header to prepend<a name="line.121"></a>
<FONT color="green">122</FONT>         */<a name="line.122"></a>
<FONT color="green">123</FONT>        public void setHeader(String header) {<a name="line.123"></a>
<FONT color="green">124</FONT>            this.header = header;<a name="line.124"></a>
<FONT color="green">125</FONT>        }<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>        /**<a name="line.127"></a>
<FONT color="green">128</FONT>         * Return the set header.<a name="line.128"></a>
<FONT color="green">129</FONT>         *<a name="line.129"></a>
<FONT color="green">130</FONT>         * @return<a name="line.130"></a>
<FONT color="green">131</FONT>         */<a name="line.131"></a>
<FONT color="green">132</FONT>        public String getHeader() {<a name="line.132"></a>
<FONT color="green">133</FONT>            return header;<a name="line.133"></a>
<FONT color="green">134</FONT>        }<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>        /**<a name="line.136"></a>
<FONT color="green">137</FONT>         * Saves the configuration to disk. All errors are clobbered.<a name="line.137"></a>
<FONT color="green">138</FONT>         *<a name="line.138"></a>
<FONT color="green">139</FONT>         * @param header header to prepend<a name="line.139"></a>
<FONT color="green">140</FONT>         * @return true if it was successful<a name="line.140"></a>
<FONT color="green">141</FONT>         */<a name="line.141"></a>
<FONT color="green">142</FONT>        public boolean save() {<a name="line.142"></a>
<FONT color="green">143</FONT>            FileOutputStream stream = null;<a name="line.143"></a>
<FONT color="green">144</FONT>    <a name="line.144"></a>
<FONT color="green">145</FONT>            File parent = file.getParentFile();<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>            if (parent != null) {<a name="line.147"></a>
<FONT color="green">148</FONT>                parent.mkdirs();<a name="line.148"></a>
<FONT color="green">149</FONT>            }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>            try {<a name="line.151"></a>
<FONT color="green">152</FONT>                stream = new FileOutputStream(file);<a name="line.152"></a>
<FONT color="green">153</FONT>                OutputStreamWriter writer = new OutputStreamWriter(stream, "UTF-8");<a name="line.153"></a>
<FONT color="green">154</FONT>                if (header != null) {<a name="line.154"></a>
<FONT color="green">155</FONT>                    writer.append(header);<a name="line.155"></a>
<FONT color="green">156</FONT>                    writer.append("\r\n");<a name="line.156"></a>
<FONT color="green">157</FONT>                }<a name="line.157"></a>
<FONT color="green">158</FONT>                yaml.dump(root, writer);<a name="line.158"></a>
<FONT color="green">159</FONT>                return true;<a name="line.159"></a>
<FONT color="green">160</FONT>            } catch (IOException e) {} finally {<a name="line.160"></a>
<FONT color="green">161</FONT>                try {<a name="line.161"></a>
<FONT color="green">162</FONT>                    if (stream != null) {<a name="line.162"></a>
<FONT color="green">163</FONT>                        stream.close();<a name="line.163"></a>
<FONT color="green">164</FONT>                    }<a name="line.164"></a>
<FONT color="green">165</FONT>                } catch (IOException e) {}<a name="line.165"></a>
<FONT color="green">166</FONT>            }<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>            return false;<a name="line.168"></a>
<FONT color="green">169</FONT>        }<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>        @SuppressWarnings("unchecked")<a name="line.171"></a>
<FONT color="green">172</FONT>        private void read(Object input) throws ConfigurationException {<a name="line.172"></a>
<FONT color="green">173</FONT>            try {<a name="line.173"></a>
<FONT color="green">174</FONT>                if (null == input) {<a name="line.174"></a>
<FONT color="green">175</FONT>                    root = new HashMap&lt;String, Object&gt;();<a name="line.175"></a>
<FONT color="green">176</FONT>                } else {<a name="line.176"></a>
<FONT color="green">177</FONT>                    root = (Map&lt;String, Object&gt;) input;<a name="line.177"></a>
<FONT color="green">178</FONT>                }<a name="line.178"></a>
<FONT color="green">179</FONT>            } catch (ClassCastException e) {<a name="line.179"></a>
<FONT color="green">180</FONT>                throw new ConfigurationException("Root document must be an key-value structure");<a name="line.180"></a>
<FONT color="green">181</FONT>            }<a name="line.181"></a>
<FONT color="green">182</FONT>        }<a name="line.182"></a>
<FONT color="green">183</FONT>    <a name="line.183"></a>
<FONT color="green">184</FONT>        /**<a name="line.184"></a>
<FONT color="green">185</FONT>         * This method returns an empty ConfigurationNode for using as a<a name="line.185"></a>
<FONT color="green">186</FONT>         * default in methods that select a node from a node list.<a name="line.186"></a>
<FONT color="green">187</FONT>         * @return<a name="line.187"></a>
<FONT color="green">188</FONT>         */<a name="line.188"></a>
<FONT color="green">189</FONT>        public static ConfigurationNode getEmptyNode() {<a name="line.189"></a>
<FONT color="green">190</FONT>            return new ConfigurationNode(new HashMap&lt;String, Object&gt;());<a name="line.190"></a>
<FONT color="green">191</FONT>        }<a name="line.191"></a>
<FONT color="green">192</FONT>    }<a name="line.192"></a>
<FONT color="green">193</FONT>    <a name="line.193"></a>
<FONT color="green">194</FONT>    class EmptyNullRepresenter extends Representer {<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>        public EmptyNullRepresenter() {<a name="line.196"></a>
<FONT color="green">197</FONT>            super();<a name="line.197"></a>
<FONT color="green">198</FONT>            this.nullRepresenter = new EmptyRepresentNull();<a name="line.198"></a>
<FONT color="green">199</FONT>        }<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>        protected class EmptyRepresentNull implements Represent {<a name="line.201"></a>
<FONT color="green">202</FONT>            public Node representData(Object data) {<a name="line.202"></a>
<FONT color="green">203</FONT>                return representScalar(Tag.NULL, ""); // Changed "null" to "" so as to avoid writing nulls<a name="line.203"></a>
<FONT color="green">204</FONT>            }<a name="line.204"></a>
<FONT color="green">205</FONT>        }<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>        // Code borrowed from snakeyaml (http://code.google.com/p/snakeyaml/source/browse/src/test/java/org/yaml/snakeyaml/issues/issue60/SkipBeanTest.java)<a name="line.207"></a>
<FONT color="green">208</FONT>        @Override<a name="line.208"></a>
<FONT color="green">209</FONT>        protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue, Tag customTag) {<a name="line.209"></a>
<FONT color="green">210</FONT>            NodeTuple tuple = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);<a name="line.210"></a>
<FONT color="green">211</FONT>            Node valueNode = tuple.getValueNode();<a name="line.211"></a>
<FONT color="green">212</FONT>            if (valueNode instanceof CollectionNode) {<a name="line.212"></a>
<FONT color="green">213</FONT>                // Removed null check<a name="line.213"></a>
<FONT color="green">214</FONT>                if (Tag.SEQ.equals(valueNode.getTag())) {<a name="line.214"></a>
<FONT color="green">215</FONT>                    SequenceNode seq = (SequenceNode) valueNode;<a name="line.215"></a>
<FONT color="green">216</FONT>                    if (seq.getValue().isEmpty()) {<a name="line.216"></a>
<FONT color="green">217</FONT>                        return null; // skip empty lists<a name="line.217"></a>
<FONT color="green">218</FONT>                    }<a name="line.218"></a>
<FONT color="green">219</FONT>                }<a name="line.219"></a>
<FONT color="green">220</FONT>                if (Tag.MAP.equals(valueNode.getTag())) {<a name="line.220"></a>
<FONT color="green">221</FONT>                    MappingNode seq = (MappingNode) valueNode;<a name="line.221"></a>
<FONT color="green">222</FONT>                    if (seq.getValue().isEmpty()) {<a name="line.222"></a>
<FONT color="green">223</FONT>                        return null; // skip empty maps<a name="line.223"></a>
<FONT color="green">224</FONT>                    }<a name="line.224"></a>
<FONT color="green">225</FONT>                }<a name="line.225"></a>
<FONT color="green">226</FONT>            }<a name="line.226"></a>
<FONT color="green">227</FONT>            return tuple;<a name="line.227"></a>
<FONT color="green">228</FONT>        }<a name="line.228"></a>
<FONT color="green">229</FONT>        // End of borrowed code<a name="line.229"></a>
<FONT color="green">230</FONT>    }<a name="line.230"></a>




























































</PRE>
</BODY>
</HTML>
